/**
 * @license
 * Copyright 2019 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
import { ElementRenderer } from './element-renderer.js';
import { LitElement } from 'lit';
import { RenderInfo } from './render-lit-html.js';
export declare type Constructor<T> = {
    new (): T;
};
/**
 * ElementRenderer implementation for LitElements
 */
export declare class LitElementRenderer extends ElementRenderer {
    element: LitElement;
    static matchesClass(ctor: typeof HTMLElement): boolean;
    constructor(tagName: string);
    get shadowRootOptions(): ShadowRootInit;
    connectedCallback(): void;
    attributeChangedCallback(name: string, _old: string | null, value: string | null): void;
    renderShadow(renderInfo: RenderInfo): IterableIterator<string>;
    renderLight(renderInfo: RenderInfo): IterableIterator<string>;
}
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